On Mon, 31 Jan 2022 10:40:38 -0800 Florian Fainelli wrote: > >> And changing the defaults means all defconfigs must be updated first, > >> else the user's configs will end up without drivers needed. > >> > > > > As I understand correctly, at least for most common net drivers, having > > NET_VENDOR_XYZ=y doesn't actually build anything, we have flags per > > module for each vendor and those are defaulted to N. > > Right, but once you start hiding NET_VENDOR_DRIVER_XYZ under a > NET_VENDOR_XYZ Kconfig symbol dependency, if NET_VENDOR_XYZ is not set > to Y, then you have no way to select NET_VENDOR_DRIVER_XYZ and so your > old defconfig breaks. To be clear do we actually care about *old* configs or *def* configs? Breaking defconfigs seems bad, but I don't think we can break reasonable oldconfigs at this point? > >> It might make sense to tune some of the defaults (i.e. change to > >> "default y if ARCH_*") for drivers with clear platform dependencies. > >> > > > > either set hard default to 'n' or just keep it as is, anything else is just > > more confusion. > > Maybe the rule should go like this: any new driver vendor defaults to n, > and existing ones remain set to y, until we deprecate doing that and > switching them all off to n by 5.18? I'd be afraid that given the work of fixing up defconfigs is non-trivial we may end up never switching old drivers. And then we'd have a semi-random soup of defaults :(